/*
 * Zed Attack Proxy (ZAP) and its related class files.
 *
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 *
 * Copyright 2013 The ZAP Development Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.zaproxy.zap.extension.users;

import java.util.ArrayList;
import java.util.List;
import org.parosproxy.paros.Constant;
import org.zaproxy.zap.model.Context;
import org.zaproxy.zap.users.User;
import org.zaproxy.zap.view.AbstractMultipleOptionsTableModel;

/** A table model for holding a set of Users, for a {@link Context}. */
public class UsersTableModel extends AbstractMultipleOptionsTableModel<User> {

    /** The Constant defining the table column names. */
    private static final String[] COLUMN_NAMES = {
        Constant.messages.getString("users.table.header.enabled"),
        Constant.messages.getString("users.table.header.id"),
        Constant.messages.getString("users.table.header.name")
    };

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 4463944219657112162L;

    /** The users. */
    private List<User> users;

    /**
     * Instantiates a new users table model. An internal copy of the provided list is stored.
     *
     * @param users the users
     */
    public UsersTableModel(List<User> users) {
        this.users = new ArrayList<>(users);
    }

    /** Instantiates a new user table model. */
    public UsersTableModel() {
        this.users = new ArrayList<>();
    }

    @Override
    public int getColumnCount() {
        return COLUMN_NAMES.length;
    }

    @Override
    public int getRowCount() {
        return users.size();
    }

    @Override
    public Object getValueAt(int rowIndex, int columnIndex) {
        switch (columnIndex) {
            case 0:
                return users.get(rowIndex).isEnabled();
            case 1:
                return users.get(rowIndex).getId();
            case 2:
                return users.get(rowIndex).getName();
            default:
                return null;
        }
    }

    @Override
    public List<User> getElements() {
        return users;
    }

    /**
     * Gets the internal list of users managed by this model.
     *
     * @return the users
     */
    public List<User> getUsers() {
        return users;
    }

    @Override
    public boolean isCellEditable(int rowIndex, int columnIndex) {
        // Just the enable/disable
        return (columnIndex == 0);
    }

    /**
     * Sets a new list of users for this model. An internal copy of the provided list is stored.
     *
     * @param users the new users
     */
    public void setUsers(List<User> users) {
        this.users = new ArrayList<>(users);
        this.fireTableDataChanged();
    }

    /** Removes all the users for this model. */
    public void removeAllUsers() {
        this.users = new ArrayList<>();
        this.fireTableDataChanged();
    }

    /**
     * Adds a new user to this model
     *
     * @param user the user
     */
    public void addUser(User user) {
        this.users.add(user);
        this.fireTableRowsInserted(this.users.size() - 1, this.users.size() - 1);
    }

    @Override
    public Class<?> getColumnClass(int columnIndex) {
        switch (columnIndex) {
            case 0:
                return Boolean.class;
            case 1:
                return Integer.class;
            case 2:
                return String.class;
            default:
                return null;
        }
    }

    @Override
    public String getColumnName(int column) {
        return COLUMN_NAMES[column];
    }

    @Override
    public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
        if (columnIndex == 0) {
            if (aValue instanceof Boolean) {
                users.get(rowIndex).setEnabled((Boolean) aValue);
                fireTableCellUpdated(rowIndex, columnIndex);
            }
        }
    }
}
